19646390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{709}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 37726560

約数和(自身を除く): 18080170

約数列:

[1, 2, 5, 10, 17, 34, 85, 163, 170, 326, 709, 815, 1418, 1630, 2771, 3545, 5542, 7090, 12053, 13855, 24106, 27710, 60265, 115567, 120530, 231134, 577835, 1155670, 1964639, 3929278, 9823195, 19646390]

約数ペア:

[(1, 19646390), (2, 9823195), (5, 3929278), (10, 1964639), (17, 1155670), (34, 577835), (85, 231134), (163, 120530), (170, 115567), (326, 60265), (709, 27710), (815, 24106), (1418, 13855), (1630, 12053), (2771, 7090), (3545, 5542)]